Check the video output card for any loose solderng, especially to green video output stage. This is a common fault to Sony TVs. The video output card can be located at the back [neck] of the pricture tube, will directly plugged on to it. If
you're sound in electronics, and wish to get more details, check this
link.
http://electronicshelponline.blogspot.com/ Selecting the view option, either to
Mosaic
/ Flip card, can be selected by the
drop-down list, by the top left
of the display window, will make surf easy. You can also do a search, by type in the
brand name / model
number / IC used, in the search box at the top right of the display window.
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